reilka = letter (character of the alphabet) (noun) (some things Google found for "reilka": a rare term; user names; a character name which may be a misspelling of "Reika" which is a female character in Japanese manga and anime City Hunter)
Word derivation for "letter" (character of the alphabet) :
Basque = letra, Finnish = kirjain
Miresua = reilka
This Miresua conlang word has been changed. The word for letter is now lerain.